68350801066 has 8 divisors (see below), whose sum is σ = 102633787044. Its totient is φ = 34139538720.

The previous prime is 68350801063. The next prime is 68350801067. The reversal of 68350801066 is 66010805386.

It can be written as a sum of positive squares in 2 ways, for example, as 63405758025 + 4945043041 = 251805^2 + 70321^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (68350801063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17928525 + ... + 17932336.

Almost surely, 2^68350801066 is an apocalyptic number.

68350801066 is a deficient number, since it is larger than the sum of its proper divisors (34282985978).

68350801066 is a wasteful number, since it uses less digits than its factorization.

68350801066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35861816.

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 68350801066 in words is "sixty-eight billion, three hundred fifty million, eight hundred one thousand, sixty-six".